Overview
The MAX145BCUA+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for applications requiring high precision, low power consumption, and compact packaging. It is available in an 8-pin µMAX package, making it ideal for battery-powered devices, data acquisition systems, and other space-constrained circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Input Channels | 1 (Pseudo-Differential for MAX145) |
| Conversion Rate | Up to 108 ksps |
| Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 0.9mA (108ksps, +3V), 100µA (10ksps, +3V), 10µA (1ksps, +3V), 0.2µA (Power-Down Mode) |
| Sampling Rate | 108 ksps |
| Interface | SPI/QSPI/MICROWIRE-Compatible 3-Wire Serial Interface |
| Package | 8-Pin µMAX, PDIP |
| Operating Temperature Range | -40°C to +85°C (E Grade), -55°C to +125°C (M Grade) |
| Storage Temperature Range | -65°C to +150°C |
Key Features
- Single-supply operation from +2.7V to +5.25V
- Pseudo-differential input channel (MAX145)
- Low power consumption with various modes: 0.9mA (108ksps), 100µA (10ksps), 10µA (1ksps), and 0.2µA (Power-Down Mode)
- Internal track/hold circuit
- 108 ksps sampling rate
- SPI/QSPI/MICROWIRE-compatible 3-wire serial interface
- Space-saving 8-pin µMAX package
- Automatic power-down and fast wake-up (2.5µs)
Applications
The MAX145BCUA+ is suitable for a variety of applications, including:
- Battery-powered devices due to its low power consumption
- Data acquisition systems requiring high precision and low noise
- Space-constrained circuits where compact packaging is essential
- Industrial control systems, medical devices, and consumer electronics
Q & A
- What is the resolution of the MAX145BCUA+ ADC?
The MAX145BCUA+ has a resolution of 12 bits. - What is the maximum conversion rate of the MAX145BCUA+?
The maximum conversion rate is up to 108 ksps. - What are the supply voltage ranges for the MAX145BCUA+?
The device operates with a single supply voltage from +2.7V to +5.25V. - How much power does the MAX145BCUA+ consume?
The power consumption varies: 0.9mA (108ksps), 100µA (10ksps), 10µA (1ksps), and 0.2µA (Power-Down Mode). - What type of interface does the MAX145BCUA+ use?
The device uses an SPI/QSPI/MICROWIRE-compatible 3-wire serial interface. - What are the operating temperature ranges for the MAX145BCUA+?
The operating temperature ranges are -40°C to +85°C (E Grade) and -55°C to +125°C (M Grade). - Is the MAX145BCUA+ RoHS compliant?
The RoHS compliance status for this part is unknown. - Where can I find additional specifications and documents for the MAX145BCUA+?
Additional datasheets, footprints, and schematics can be found on the part details page of authorized distributors. - How do I contact technical support for the MAX145BCUA+?
Technical support can be contacted through the customer support team of the distributor listing the product. - What are some typical applications for the MAX145BCUA+?
Typical applications include battery-powered devices, data acquisition systems, industrial control systems, medical devices, and consumer electronics.
